Pith Number

pith:IAVH3E6T

pith:2026:IAVH3E6THB7K2O36FSDA23EECU

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CC-Pan: Channel-wise Compression based Diffusion for Efficient Pan-Sharpening

Congyang Ou, Guoting Wei, Haokui Zhang, Junjie Li, Shengqin Jiang, Ying Li

CC-Pan performs pan-sharpening in compressed latent space with a band-wise VAE to achieve faster inference and cross-sensor generalization.

arxiv:2602.04473 v2 · 2026-02-04 · cs.CV

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\pithnumber{IAVH3E6THB7K2O36FSDA23EECU}

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

CC-Pan outperforms state-of-the-art diffusion-based methods across all three benchmarks, attains a 2--3× inference speedup, and exhibits robust cross-sensor generalization capability on the held-out WorldView-2 sensor without any sensor-specific retraining.

C2weakest assumption

The band-wise single-channel VAE produces compact latent representations that retain enough spatial and spectral detail for high-precision fusion when the diffusion backbone receives PAN, MS, and spectral physical properties through the proposed unidirectional and bidirectional control structures.

C3one line summary

CC-Pan performs diffusion in a compressed latent space via channel-wise VAE and adds cross-band attention to achieve higher accuracy, 2-3x faster inference, and robust generalization across satellite sensors in pan-sharpening.

Receipt and verification

First computed	2026-05-17T23:39:16.366057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402a7d93d3387ead3b7e2c860d6c8415064c52253934f1e516e672986f4f0ab4

Aliases

arxiv: 2602.04473 · arxiv_version: 2602.04473v2 · doi: 10.48550/arxiv.2602.04473 · pith_short_12: IAVH3E6THB7K · pith_short_16: IAVH3E6THB7K2O36 · pith_short_8: IAVH3E6T

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IAVH3E6THB7K2O36FSDA23EECU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 402a7d93d3387ead3b7e2c860d6c8415064c52253934f1e516e672986f4f0ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3060deca8afebeb9e2f27118d5cf3d7ce945e0bcee3c90673ee03dfd951491",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-02-04T12:01:07Z",
    "title_canon_sha256": "3e98df475ce898120fe2e504affb5112334a68ad25326d7ff044e11788677bf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04473",
    "kind": "arxiv",
    "version": 2
  }
}